To understand if my restaurant is doing reasonably well, I decide to conduct a survey of 20 different restaurants in the city and see how mine compares. For each of these restaurants, total turnover in 2018 was estimated to vary between 0 to 6 million dollars. In particular, the turnover of each restaurant can be assumed to have the following distribution, independently of all the other restaurants. f(x) = cx = c(6-x)/2 if 0 < x < 2 if 2